Software – Gioorgi

Open calculator (aggiornato)

July 15, 2021 July 24, 2021 / Freedom, Italian Content, Software / hp42s / Leave a Comment

Voglio raccontarvi una storia, per spiegarvi quanto è difficile conciliare la vendita di un prodotto commerciale con lo sviluppo di un software “open”. Al giorno d’oggi le calcolatrici scientifiche sono un mercato con parecchia concorrenza, e lo prenderò come esempio. Parleremo di NumWorks: una società che ha sviluppato negli ultimi anni una calcolatrice con un …

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Meltdown and Spectre Mitigation removal

June 23, 2021 June 24, 2021 / English Content, Software / AMD, ARM, Intel, meltdown, raspberrypi, security, spectre / Leave a Comment

Some time ago I stumbled upon this Hacker News discussion on how disable Spectre mitigation. (For what Meltdown and Spectre is, refer to this article on 2018) It is sad to say but my Intel NUC centrino was slowed down a lot by these mitigation, and the same faith is shared by old Intel server. …

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Legacy Management

February 10, 2021 February 10, 2021 / Knowledgebase, Software / choke, legacy, strangle / Leave a Comment

Good insights from this article: How to strangle a legacy codebase The strategy is simple: Progressively delete the old code base, in favor of a new one. Here’s the plan: Have the new code acts as a proxy for the old code. Users use the new system, but it just redirects to the old one. Re-implement …

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The end of the Database Mangement System as we know it

October 7, 2020 September 30, 2020 / DevOps, English Content, Software / microservice

In Microservices architecture, you decompose your services in a set of fine-grained services. These services are full-stack software, from front end API down to database layer. Each microservice is responsible and owns its data. For instance if you have a MovieInventory service and a CheckIn/Checkout services, they must communicate each other via API. To search …

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QB64: basic Revenge

June 27, 2020 June 28, 2020 / English Content, Knowledgebase, Software / basic, retro computing

Quick Basic64 is a QBasic compatible programming language actively mantained. It produce C-compiled code and works under Linux and MacOS too. It resemble the original QBasic IDE, and supports its dialect. If you have some old qbasic code to “update”, QB64 is your best friend:Give it a try!

runif

May 28, 2020 March 15, 2021 / English Content, Gio's Software Projects, Knowledgebase, Projects, Python, Software / bash, python

Idempotent and minimal python 3 library for rapid scripting. Provide support for creating file, adding data to them, patching and so on. Why? (Ba)sh scripting is very easy to setup. So we end up using it all the time for simple procedural script. Sometimes is it useful to have idempotent script, like Ansible and Saltstack …

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Pi-Hole: per la privacy a casa

January 31, 2020 May 27, 2020 / Freedom, Italian Content, Software / adblocker, adsense, google, libertà, pihole, privacy, raspberrypi

Se vi dicessi che il 20% delle comunicazioni che il vostro smartphone attua per consentirvi di usare Whatupp o leggere il giornale è verso i server pubblicitari di google, facebook, amazon, come reagireste? Questo è un articolo divulgativo su uno strumento che è possibile installarsi a casa propria, per proteggere la propria rete Internet dalla …

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Pybash

January 15, 2020 May 28, 2020 / English Content, Knowledgebase, Python, Software / bash, python

The project has been renamed into “runif”. This page left only for Google Search happiness. Pybash is a python library to make python script as easy as in Bourne Again Shell (Bash). Bash scripting is very easy to setup. So we end up using it all the time for simple procedural script. Sometimes is it …

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On Constants

October 4, 2019 October 4, 2019 / English Content, Humor, Programming languages, Software / evil, ideas, java

I think constants are evil (just joking but….I will explain why). I am tired of seeing a lot of Java classes filled with the same constants repeated over and over again, instead of collecting them in a common file, which in C Language was called include files (ooooah!). Sometimes it is impossible to understand if …

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Comments are evil?

April 15, 2019 November 28, 2019 / English Content, Programming languages, Software / evil, ideas, java

In the 1980 comments were used to reduce the “gap” between unstructured code and “rationale” behind the code. C/64 Peek and poke where oscure. Gosub on function pointed by numbers was bad 8-bit systems was tight on command names and so on (think to write a python interpreter in Arduino/bbc:Micro, or look at the memory …

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UTF-8 and Unicode Standards

February 22, 2019 February 21, 2019 / English Content, Software / encoding, joel, utf-8

Character encoding is a very bad beast when you write code, but UTF-8 will save us. Belive me: You will love the Big Brother and the UTF-8. Unicode Transformation Format 8-bit is a variable-width encoding that can represent every character in the Unicode character set. It was designed for backward compatibility with ASCII and …

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Detecting Agile bullshit

February 5, 2019 February 5, 2019 / English Content, Software / agile, devops

The department of defense, has published a nice document to “detect” agile bullshit. The document is called DIB_DETECTING_AGILE_BS_2018.10.05 and was published on October 2018. We saved a copy on our site, because we think it is very very interesting…

Exploring a 23 years old code base: LambdaMoo MUD Part 2

May 12, 2018 May 11, 2018 / English Content, IT Featured, Software / lambdamoo

In this second article I will continue my jorney on LambdaMoo code base. The C code is very well written. Sometimes the API abuse global variable to avoid passing around identifier like output database file descriptor or the like. Because a lot of the system has been written in the Moo language, the core is …

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Exploring a 23 years old code base: LambdaMoo MUD Part 1

April 5, 2018 January 7, 2021 / English Content, IT Featured, Software / lambdamoo

On these days my greek daemon (the one which talk to me about deep nerd programming) was interested on LambdaMoo. LambdaMoo is an Object Oriented Multi User Dungeon born back in 1995. A MUD was a text based system you log in, talk with other, create adventures and so on. LambdaMoo has a script language …

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Meltdown and Spectre

February 1, 2018 February 23, 2020 / English Content, Software / AMD, ARM, Intel, meltdown, raspberrypi, security, spectre

Meltdown and Spectre are two big vulnearbilities found in Intel and AMD chips out of there. The vulenarbility is so huge it affects up to 1995 chips. On the raspberrypi, there is a very nice explanation of what Meltdown is. First of all, the one who discovered this bug is a GENIUS, for sure. The …

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